Class GenerateGNode

example/E04-MapReduce.cpp:27–46

class GenerateGNode : public GNode {
public:
    CStatus init() override {
        auto status = CGRAPH_CREATE_GPARAM(NumsGParam, PARAM_KEY);
        return status;
    }

    CStatus run() override {
        std::mt19937 generator;
        auto param = CGRAPH_GET_GPARAM_WITH_NO_EMPTY(NumsGParam, PARAM_KEY);

        std::uniform_int_distribution<int> distribution(0, MAX_NUM - 1);
        for (int i = 0; i < MAP_SIZE * NUMS_PER_MAP; i++) {
            int num = distribution(generator);
            param->random_nums_.push_back(num);
        }

        return CStatus();
    }
};


template<int MAP_TAG>